The space shuttle Endeavour, riding piggyback on a modified jumbo jet, flies north of"A" Mountain on its way to the California Science Center in Los Angeles. The low flyover Thursday was a tribute to former U.S. Rep. Gabrielle Giffords and her husband, ex-astronaut Mark Kelly.
The shuttle Endeavour flew over Tucson Thursday morning, prompting thousands of people across the city to pull out cameras and cellphones to document a piece of its farewell voyage across the country.
Spectators snap photos of Endeavour riding on a NASA 747 as it flew over the University of Arizona Mall.
The first day of this football season should be like the first day of class: Arrive early to figure out where you're going.
America's space shuttle Enterprise rides atop the 747 carrier as she takes off from Edwards Air Force Base, Calif., Aug. 12, 1977. The shuttle is to be blasted away from the 747 for her first free flight. (AP Photo)
CAPE CANAVERAL, Fla. - The next-to-last space shuttle flight has
been delayed again, this time at least until the middle of May for
extra electrical tests.